MrPeanutButta

// http://www.sigcomm.org/sites/default/files/ccr/papers/2012/October/2378956-2378961.pdf
int dir_24_8_lookup(uint32_t dst) {
  
  int nh = tbl_0_23[dst >> 8]; // index in the next hop table

  if (nh & 0x8000)nh = tbl_24_31[((nh & 0x7fff) << 8) | (dst & 0xff)];
  
  return nh;
}

MrPeanutButta

#include <cstdint>
#include <arpa/inet.h>

/** Returns the IPv4 broadcast address for a given subnet.
 *
 * Assuming host is little endian.
 * Assuming your host is Linux :)
 *
 * subtracting 1 from the return will yield last usable host address.
 *

MrPeanutButta

/*
 * for use with software DIR-24-8-basic.
 * personal implementation.
 */
void flip_state(uint32_t &prefix, uint8_t &position){
    prefix = prefix ^ 1<<position;
}

MrPeanutButta

int more(const char *buffer) {

    pid_t pid(fork());
    int status(0);

    if (!pid) {
        FILE *output{};

        output = popen("more", "w");
        if (!output) {